Heater and a heater with a support element



FIG. 1 is a front, perspective view of a heater showing our new design;

FIG. 2 is a rear, perspective view thereof;

FIG. 3 is a left side view thereof, the right side view being a mirror image thereof; and,

FIG. 4 is a top plan view thereof.

The bottom is substantially flat and unornamented.

The dotted line showing is for environmental purposes and is not part of the claimed invention. 

The ornamental design for a heater and a heater with support element, as shown and described. 